.img-center {
    display: block;
    margin: 1.0rem auto;
    margin-bottom: 30px;
    height: auto;
    text-align: center;
}
.img-center img {
    padding: 5px;
}
.img-center strong {
    display: block;
}
.guide-links {
    font-weight: bolder;
    margin-bottom: 50px;
}